A sump pump is a pump used to remove water that has accumulated in a sump pit.
My old sump pump is too loud!
by Paul Thornton November 6, 2007
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someone who fucks someone else in a sump with the girls head in the dirt and while you talk to your best friend at the same time
by Mike adorno a.k.a Creep May 23, 2008
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See "New Jersey soap pump", except the aforementioned soap pump is reciprocated by the pumpee to the pumper using the the pumper's semen as lubricant for the sump pump.
Mike 1: Dude my hands are so cold, I could really go for a New Jersey sump pump right now, would you mind initiating with a New Jersey soap pump and I'll complete the process?

Mike 2: Sure man!
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Sumped is the past tense of simp
I sumped for Draco Malfor
by Yourmomsfuckbuddy December 22, 2020
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Person 1: Wow bro, you have a huge SUMP!

Person 2: Thanks bro, took a lot of years, kfc, McDonald's and Jack Daniels to gain this SUMP!
by BigSump69 November 24, 2022
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A word to express yourself. It also can mean anything you want it to. It doesn’t have an actual meaning.
Person 1: Hey dude! Wanna go meet at the sump today?

Person 2: Not today. I have to hang out with my girl, she’s a sump.

Person 1: WHAT THE SUMP!?!?
by Jrmhs April 28, 2024
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